VMAX Cache parameters and utilization.

Cache Size (Mirrored)                :  300800 (MB)

    # of Available Cache Slots           : 3936504

    Max # of System Write Pending Slots  : 2952378

    Max # of DA Write Pending Slots      :       0

    Max # of Device Write Pending Slots  :  147618

    Replication Cache Usage (Percent)    :       0

    Max # of Replication Cache Slots     :  615078

Can anyone let me know what exactly it means.

Thanks and Regards,

SS